{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical", "Disease"], "input": "Administration of phenytoin in the presence of hypothermia may lead to an adverse cardiac event in children ."}
{"Chemical": ["phenytoin"], "Disease": ["hypothermia"]}